The investigators performed a 12-week, randomized, double-blind, placebo-controlled human trial to evaluate the efficacy and safety of ginseng extract on improvement of Bone metabolism in menopausal women. The investigators measured Serum Osteocalcin, Urinary Deoxypyridinoline, DPD/OC ratio, Serum CTX, NTX, Ca, Phosphorus, BSALP(vone specific-alkaline phosphatase), P1NP(Procollagen type 1 N-terminal propeptide), WOMAC index(Western Ontario and McMaster Universities Arthritis).